FCC - Completed 6.03mm Inner Barrel with Hopup System Gen1 (12.5" SBR)

FCC Completed Inner Barrel Hopup System (12.5" SBR)

Designed for replace / upgrade your own factory inner barrel & Hopup, or you wanna build another upper or rifle must item!

• FCC 6.03mm precision inner barrel equipped
• FCC Gen1 Advanced Complete Hopup System equipped
• Fully assembled by FCC team, Ready to Use!!!
• Compatible with FCC TW, Celcius CTW & Systema PTW system.
• Size: 12.5" (340mm)